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  1. MariaDB Server
  2. MDEV-8852

Implicit or explicit CAST from MAX(string) to INT,DOUBLE,DECIMAL does not produce warnings

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 5.5(EOL), 10.0(EOL), 10.1(EOL)
    • 10.1.8
    • OTHER
    • None
    • 10.1.8-3

    Description

      This SQL script:

      SELECT 'x' << 1, CAST('x' AS DOUBLE), CAST('x' AS DECIMAL);
      SHOW WARNINGS;

      returns the following warnings:

      +---------+------+----------------------------------------+
      | Level   | Code | Message                                |
      +---------+------+----------------------------------------+
      | Warning | 1292 | Truncated incorrect INTEGER value: 'x' |
      | Warning | 1292 | Truncated incorrect DOUBLE value: 'x'  |
      | Warning | 1292 | Truncated incorrect DECIMAL value: 'x' |
      +---------+------+----------------------------------------+

      Now if I use MAX:

      SELECT MAX('x') << 1, CAST(MAX('x') AS DOUBLE), CAST(MAX('x') AS DECIMAL);

      it returns no warnings.

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            bar Alexander Barkov created issue -
            bar Alexander Barkov made changes -
            Field Original Value New Value
            bar Alexander Barkov made changes -
            Sprint 10.1.8-3 [ 15 ]
            bar Alexander Barkov made changes -
            Rank Ranked higher
            bar Alexander Barkov made changes -
            Fix Version/s 10.1.8 [ 19605 ]
            Fix Version/s 10.1 [ 16100 ]
            Resolution Fixed [ 1 ]
            Status Open [ 1 ] Closed [ 6 ]
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 71759 ] MariaDB v4 [ 149649 ]

            People

              bar Alexander Barkov
              bar Alexander Barkov
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              Dates

                Created:
                Updated:
                Resolved:

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